WO1996022875A1 - Joints de fenetres et de portes soudes par vibration, procede et appareil de fabrication de ceux-ci - Google Patents
Joints de fenetres et de portes soudes par vibration, procede et appareil de fabrication de ceux-ci Download PDFInfo
- Publication number
- WO1996022875A1 WO1996022875A1 PCT/US1996/001082 US9601082W WO9622875A1 WO 1996022875 A1 WO1996022875 A1 WO 1996022875A1 US 9601082 W US9601082 W US 9601082W WO 9622875 A1 WO9622875 A1 WO 9622875A1
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- WIPO (PCT)
- Prior art keywords
- faces
- members
- weld
- vibrating
- contact
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/06—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding
- B29C65/0609—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding characterised by the movement of the parts to be joined
- B29C65/0618—Linear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0021—Combinations of extrusion moulding with other shaping operations combined with joining, lining or laminating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/06—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding
- B29C65/0681—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding created by a tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/82—Testing the joint
- B29C65/8253—Testing the joint by the use of waves or particle radiation, e.g. visual examination, scanning electron microscopy, or X-rays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/116—Single bevelled joints, i.e. one of the parts to be joined being bevelled in the joint area
- B29C66/1162—Single bevel to bevel joints, e.g. mitre joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/524—Joining profiled elements
- B29C66/5243—Joining profiled elements for forming corner connections, e.g. for making window frames or V-shaped pieces
- B29C66/52431—Joining profiled elements for forming corner connections, e.g. for making window frames or V-shaped pieces with a right angle, e.g. for making L-shaped pieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/721—Fibre-reinforced materials
- B29C66/7212—Fibre-reinforced materials characterised by the composition of the fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/721—Fibre-reinforced materials
- B29C66/7214—Fibre-reinforced materials characterised by the length of the fibres
- B29C66/72143—Fibres of discontinuous lengths
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/725—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being hollow-walled or honeycombs
- B29C66/7252—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being hollow-walled or honeycombs hollow-walled
- B29C66/72523—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being hollow-walled or honeycombs hollow-walled multi-channelled or multi-tubular
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/84—Specific machine types or machines suitable for specific applications
- B29C66/843—Machines for making separate joints at the same time in different planes; Machines for making separate joints at the same time mounted in parallel or in series
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/95—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94
- B29C66/951—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools
- B29C66/9512—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools by controlling their vibration frequency
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/95—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94
- B29C66/951—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools
- B29C66/9513—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools characterised by specific vibration frequency values or ranges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
- B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
- B29C65/4815—Hot melt adhesives, e.g. thermoplastic adhesives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
- B29C65/5057—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like positioned between the surfaces to be joined
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/95—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94
- B29C66/951—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools
- B29C66/9516—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools by controlling their vibration amplitude
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/95—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94
- B29C66/951—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools
- B29C66/9517—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools characterised by specific vibration amplitude values or ranges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/001—Profiled members, e.g. beams, sections
- B29L2031/003—Profiled members, e.g. beams, sections having a profiled transverse cross-section
- B29L2031/005—Profiled members, e.g. beams, sections having a profiled transverse cross-section for making window frames
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/1397—Single layer [continuous layer]
Definitions
- the invention is directed to vibratory welding of window and door components, and to a method and apparatus for manufacturing the same.
- a window glass assembly is typically a single pane of glass, or alternatively, a self-contained, multi-paned insulated glass unit whereby two or more panes are stacked and sealed about the perimeters, with a partial vacuum and/or an insulating gas such as argon contained within the sealed space between the panes.
- a sash used to retain a window glass assembly includes framing components which are generally -shaped in cross-section. A silicone sealant is layered along the inside of the frame, and then the window glass assembly is placed in the frame against the silicone sealant. A glazing bead is then installed around the open side of the sash to retain the window glass assembly therein.
- this butt welding has occurred through heat welding or ultra-sonic welding.
- Heat welding involves heating a platen of some type, placing the heated platen in contact with the surface to be welded (oftentimes a thermoplastic material of some type) heating the bonding surface until there is flow, and placing the two bonding surfaces in contact. Thereafter, the heated bonded surface must cool.
- Heat welding has numerous drawbacks.
- One drawback is the length of time necessary to heat the welding surfaces to a temperature sufficient for welding. This can take in excess of 30 seconds, which is very slow from a manufacturing point of view when often times millions of units are assembled over the course of a year.
- Another drawback is if the material which is being welded has good thermal properties, the transfer of heat can be slow so cooling is often slow. Thus a more efficient method of creating a welded joint is needed.
- the invention provides a joint structure whereby the framing components may be securely joined by a vibratory method, which forms a joint structure having a strong weld with minimal flash in a very brief period of time.
- a window which includes a window glass assembly having interior and exterior sides; first, second, third and fourth members coupled to form a frame and a glass receiving channel formed between interior and exterior sides of the members for supporting the interior and exterior sides of the window glass assembly; and a joint structure formed by vibratory welding, thereby interconnecting adjacent ends of the members.
- the members can be any lineal members, of any length, but are preferably in the window and door industry.
- the process known as vibratory welding occurs from an energy excitation source that operates to heat the surfaces to be joined, and generally only the portion of the surface to be joined.
- Such a system vibrates two or more surfaces against one another until a melt pool of material is formed, thus producing a weld. At this time, little further heating beyond the weld surfaces takes place. This results in heat without degradation of the adjacent areas around the weld.
- the weld pool thereafter allows for the two surfaces to be joined to create a strong weld with minimal weld flash and degradation.
- the weld is preferably a corner or mitered weld.
- This "off axis" weld meaning not a butt or 180° weld, is a particularly advantageous weld to achieve with the present invention.
- This off axis weld includes mitered welds, compound mitered welds, multi-planar welds wherein the welding surface has different planes, mortis and tenon joints as well as other welds or joints used in the window and door industry as well as other industries addressed herein.
- An apparatus is also described and claimed which receives members and welds the corners using the vibratory methods described and claimed herein.
- FIGURE 1 is a sash assembly.
- FIGURE 2 is a cross-sectional view of the profile of a rail sash member in the sash of Figure 1, taking along line 2-2.
- FIGURE 3 is a side view of a typical member which is to be welded into a door or window part.
- FIGURE 4 is a perspective view of a vibrating platen consistent with the invention, showing the platen disposed between opposing stile and rail sash members prior to the vibratory welding operation.
- FIGURE 5 illustrates two experimental fixtures which each hold a member to be welded together.
- FIGURE 6 illustrates the fixtures of Figure 5 with the members in place prior to welding.
- FIGURE 7 illustrates the experimental fixtures in a welding mode.
- FIGURE 8 illustrates the welded members with the bottom member removed from the bottom fixture and the top member still in the fixture.
- FIGURE 9 illustrates a schematic of an apparatus capable of welding a four member frame together.
- FIGURE 10 illustrates a schematic of an apparatus capable of welding a three member frame together.
- FIGURE 11 illustrates a cross-sectional view of a test profile.
- the present invention generally describes a vibratory method and apparatus to weld flowable members. This generally requires at least two members, which are to be joined, whereby at least one member is moved rapidly, at a frequency of approximately greater than at least about 50 Hz, preferably about 100 to 300 Hz, and most preferably about 150 to 250 Hz. This frequency of movement causes localized flow of the member surface sealing face, which allows the member to be welded to another member or surface sealing face. There is essentially no limit on the upper frequency value except the limitation encountered by the ability of the fixtures to vibrate at high frequencies. Thus, if an apparatus is built to achieve frequencies of about 1000 Hz or higher, this apparatus is also envisioned in the present invention.
- the members to which the present invention is directed are preferably the components of windows and doors. Other areas of technology including the toy industry, the refrigerator and appliance industry, the building industry, automotive industry and other industries assembling lineals may also benefit from the present invention and are envisioned herein.
- a typical window is shown in Figure 1 as 10, with stiles 30 and 40, and rails 50 and 60.
- a mitered corner 15 is also shown. The glass 20 is shown in place.
- the mitered corner 15 is a type of weld envisioned by the present invention. Any number of sides may be welded from an arched member frame to a multi-sided window such as a pentagon could be welded.
- the particular members to be welded can be a variety of materials.
- thermoplastic polymers such as poly(vinyl chloride) , low and high density polyethylene, polypropylene, poly(vinyl acetate) , ABS polymers and any other polymers which are used in window and door parts.
- thermoplastic composites Typical composites which could be used include poly(vinyl chloride) /wood fiber composites such as those disclosed in U.S. Patent No. 5,406,768, which is incorporated herein by reference. Composites which have thermally insulating materials such as wood have inherent problems with heat welding since heat transfer is slow.
- vibration welding with the heat building up at the face of the weld, is particularly suited for composites which have thermal insulating properties.
- Composites including thermoplastic and non- flowable materials such as a thermoset material are also envisioned in the present invention.
- the present invention also works with a non- hermoplastic coated with a flowable material . The only requirement is there must exist some flowable material which can create the weld.
- the usefulness of the present invention in the window industry is that the members used to assemble windows and doors often times have complicated profiles to accommodate the insertion of the glass, weather stripping, and opening within the dwelling in which the window or door is to be inserted.
- This complex profile is generally not a solid profile, but rather has many different cut surfaces, with oftentimes the majority of the cross-sectional space not having any material at all.
- the cross section is also complex, unlike a simple tube, and may have internal ribs or channels running through the member.
- Figures 2 and 3 disclose typical profiles.
- Figure 2 shows a stile or rail 40, with an insulated glass unit 20 situated therein.
- the present invention allows welding to. occur of these members, around the glass, which will be described below.
- the first vibratory method involves vibrating at least one of the members.
- member 50 could be vibrated while another member (not shown) could be held stationary, in a jig, with its face against face 54.
- Figure 4 shows two members in position to be welded as well
- the vibration would occur in a two dimensional direction, which is indicated by the direction of the arrows 55.
- Member 50 could be vibrated in the direction of arrow 55 at a frequency of about 200 Hz. This vibration would heat the sealing faces of both the members at which the vibration is occurring.
- face 54 would be heated due to the friction created by another member's face vibrating against face 54.
- the vibrating member 50 would cease its vibration, whereupon the pool of material at the interface of each member would solidify, thereby creating a weld at the interface.
- both members could be vibrated at a frequency, possibly to shorten the necessary weld time even further. Both members could be moved in the direction of arrows 55.
- the vibration frequency of both members would preferably be in a range of about 50 to 500 hz.
- a third method envisioned involves a platen of some type interfacing between the two members. This is shown in Figure 4, with a platen shown as 70. Figure 4 shows platen 70 in a withdrawn mode, however, the mode of vibration is shown with platen 70 in phantom, between members 74 and 76.
- This platen 70 would be driven by an energy source 72 which would vibrate the platen 70 at a particular frequency, approximately 50 to 500 Hz, preferably about 100 to 300 and most preferably about 150 to 250.
- the preferred direction of vibration is in a back and forth motion, which is shown as arrow 78.
- This vibrating platen 70 could be in contact with each member's face 80 and 82, either simultaneously or in an alternative fashion, or some combination thereof, such that the faces 80 and 82 would be excited, thus creating flow of the face material.
- the platen 70 could just contact one member's face as well. As a pool of material collects, faces 80 and 82 become liquid, the vibrating platen 70 would be withdrawn, and the members would be moved into an adjoining relationship. Thereafter, the liquid material at the interface between the faces 80 and 82 of members 74 and 76 would solidify resulting in a weld.
- the platen could also be heated and could be considered an improvement to hot plate welding whereby frictional heat aids the heating process.
- the platen 70 preferably, has notch 86 cut into 70. This allows the vibratory weld to occur with the glass 84 in place.
- the platen 70 can move in and out, in the direction of arrow 78.
- the presence of the notch 86 prevents platen 70 from contacting and breaking glass 84.
- members 74 and 76 are pushed together, with glass 84 residing in the groove of members 74 and 76.
- a pane of glass is situated with two stiles and two rails surrounding the glass. The above welding occurs at the four interfaces, and the members are secured, with the glass glazed into place.
- Figures 5-10 illustrate a preferred apparatus for practicing of the present invention.
- the figures depict a prototype and a schematic of a production apparatus which vibrates the members together, thus resulting in a weld.
- Figures 5-8 illustrate a prototype design to achieve the benefits of the present invention.
- Figure 5 illustrates two fixtures 102 and 104.
- Fixture 102 retains one member to be welded (not shown) .
- Fixture 104 retains another member (not shown) to be welded.
- Fixtures 102 and 104 are shown without members, and show a variety of securing bolts with just a small portion of securing bolts generally referred to 102a, 102b, 104a and 104b. These retaining bolts retain the member in place.
- Figure 6 discloses the fixtures of Figure 5 with members 106 and 108 in place.
- the members 106 and 108 are cut with mitered corners, and the faces are shown at 109 and 110.
- the members 106 and 108 were inserted into the fixtures 102 and 104 by loosening a variety of retaining bolts, some of which are shown as 102a and 102b and 104a and 104b.
- a very short portion of the members 106 and 108 extend from the fixtures 102 and 104. The small exposed portions minimize the flash which results from the weld.
- Figure 6 illustrates, with arrows 112 and 114, the direction of movement of the bottom fixture 104 in an upward direction, toward fixture 102.
- a second position is indicated by the dotted line 116 which is meant to indicate fixture 104 in a second position. This position is not the weld position, but is meant to show the travel direction toward a weld position for fixture 104.
- 110a shows the same face of 110 in a different position, being closer to face 108.
- the fixtures 102 and 104 have vibratory heads located thereon.
- the vibratory heads used in the test fixtures shown in Figures 5-8 have an electromechanical vibrator assembly of 240 Hz, a dialable amplitude (stroke) with a feedback loop, an adjustable frequency, an Allen-Bradley SLC 500 Programmable Controller, a maximum part size of 24"1 x 16"w, an opening between platen of 16", a maximum clamp force of 2,200 lb., an overall machine dimension of 64"w x 36"d x 73"h, an approximate weight of 4,000 lb., built-in forklift transport tubes, an interior work light, a 5 HP (2.7 kW) solid state power supply, power requirements of 480V AC, 15 amp, 3 phase, 60 Hz, and a minimum air pressure of 60 psi.
- Figure 7 illustrates fixtures 102 and 104 in their welding position with members 106 and 108 in contact.
- fixture 104 moves back and forth in the direction of arrows 118 to create a melt pool at faces 108 and 110.
- This movement in the direction of arrow 118 is the movement described in the experimental section which follows.
- Fixture 102 stays fixed as fixture 104 moves in the direction of arrow 118.
- the long faces shown generally as 41 and 45 of Figure 2 would not be in contact for a long period of time. In other words, if one were welding a perfect circle, the direction of movement would be immaterial. However, if one were welding a long, thin, rectangular face, the direction of the vibration should be in the plane of the long sides of the rectangle to maximize contact during the weld process.
- Figure 8 discloses the final welded members, with member 108 secured to member 106. The member 108 has been removed from fixture 104.
- FIG. 9 A schematic of a welding apparatus is shown in Figures 9 and 10.
- 126 are going to be secured together to form a window sash or window or door frame or other four-sided or multi-sided member used in windows and doors. Each member would be fixed in a fixture, and the vibrating heads 128, 130, 132 and 134 are secured to the fixtures and vibrate that portion of the fixture to which the heads are attached.
- the fixtures would allow quick mounting and release of the members such that the assembly process is quick.
- the welding of four members occurs around the glass and is a two step process.
- Welds at faces 136 and 138 occur first. These faces are welded by initially moving members 120 and 124 in the direction of arrows 140 and 142 respectively. Some movement of members 122 and 126 in the direction of arrows 144 and 146 respectively may also occur such that the faces of the members are in contact.
- the interfaces between members 120, 122, 124 and 126 are in contact with one another and shown as interfaces 136-139 respectively.
- vibrating heads 128 and 132 are vibrated in the direction of arrows 128a and 132a. During this vibration, members 120 and 124 are fixed.
- Figure 10 is a three-sided frame with members 160, 162 and 164. Vibrating heads 166 and 168 are moved simultaneously in the direction shown by arrows 166a and 168a. Such vibration occurs after member 160 has moved in the direction of arrow 170 and members 162 and 164 are moved in the direction of arrows 172 and 174 respectively. There is only a one step process of vibration for a three member frame.
- Figures 9 and 10 are an embodiment and the preferred embodiment at the present time. It is envisioned that other fixtures and vibrating head configurations could be utilized to achieve the welded window and door joints of the present invention. Further, the above can be modified to weld five member frames or other multimember frames. Thus, pentagons, hexagons, etc. may be produced. The preferred angle of the mitered corner is 45 degrees, as shown in the figures. However, other angles are envisioned, from the welded members forming a lineal (180 degrees) or any other angle which results from the welding of two members. The weld is preferably a corner or mitered weld.
- This "off axis" weld is a particularly advantageous weld to achieve with the present invention.
- This off axis weld includes mitered welds, compound mitered welds, multi-planar welds wherein the welding surface has different planes, mortis and tenon joints as well as other welds or joints used in the window and door industry as well as other industries addressed herein.
- An alternative method and apparatus in accordance with the present invention would be rather than vibrating the actual members, a third corner member is vibrated, which is in contact with the faces of the member.
- This third member would be some type of thermoplastic material which would become part of the finished welded article.
- the long members would preferably be stationary, and the third corner member would be fixed in a fixture with a vibrating head in the third member's fixture. The vibration of the third member would heat up the face between the first member and the third member and the second member and the third member, thus resulting in a weld.
- Yet another alternative method would employ the use of a center mullion which would be secured to the top and bottom rail of the window. The center mullion would divide the window configuration into two windows.
- the center mullion could vibrate in a horizontal plane, with pressure being applied to the top and bottom lineals, in the direction of the center mullion. This vibration process would secure the top and bottom rail to the center mullion, and the side stiles could be secured either during the attachment of the rail to the mullion or after. Additional mullions could be employed to produce a multi-paned window.
- the present invention envisions multi-paned and multi-style rails and mullions to produce an infinite number of sizes and shapes of windows.
- Yet another alternative method could include a multi ⁇ member joint or weld. This weld could employ, as a non- limiting example, a three member weld with a 120° angle between each weld. All three members could be moved simultaneously, or in some sequential fashion.
- Figures 5-8 were the test fixtures used to generate the data in the experimental section which follows.
- Experimental Figures 5-8 detail an experimental fixture through which welded members were created.
- the material used in the experiment was FIBREXTM, a composition of PVC and wood, manufactured by Andersen Corporation and, described in U.S. Patent No. 5,406,768.
- the test method used to test the weld is described in detail in German Welding Society.
- Heat up Time This is the time it takes to heat a test member from room temperature to its lowest welding temperature of above 240°C.
- Vibratory Welding - the proposed welded surfaces are vibrated - one against the other at a frequency of approximately 200 Hz.
- a combination of amplitude of the vibration, the time of the vibration and applied pressure combine to give a melt pool in the interface and results in a welded surface.
- This process has several advantages: 1) weld temperature never exceeds the melt temperature of the material being welded.
- cycle times are fast (typically 2 to 4 seconds) .
- Tables 1-5 illustrate vibratory welding utilizing the profile shown in Figure 11. The amplitude and weld time have been varied to determine the variation which occurs on the load at break. The frequency of the vibration was approximately 200 Hz for all of examples in Tables 1-5. A summary follows Table 5.
- Table 6 details a hot plate weld, illustrating the prior art process, for the same profile as used in Tables 1-5. A summary of hot plate welding follows Table 6.
- the present invention provides a weld which is even stronger than a heat weld. In some situations, the weld can be as much as 20 percent stronger.
- the weld time for vibration welding is less than half that of a heat weld. Reducing the weld time in half is very significant in the production of fenestration products, which are manufactured in large quantities. As discussed earlier, often times millions of units a year have to be produced, and the shorter the weld time, fewer shifts are necessary to complete the manufacture of a specified number of units. Furthermore, the weld is superior in strength to any weld, thus indicating the numerous advantages of the present invention.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
La présente invention décrit un procédé et un appareil d'assemblage d'éléments d'encadrement (30, 40, 50, 60) de fenêtres et de portes. Le procédé consiste à utiliser une source de vibrations qui, lorsqu'elle est appliquée sur les éléments d'encadrement, excite localement la surface desdits éléments, conditionnant ainsi les éléments pour le soudage.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU49048/96A AU4904896A (en) | 1995-01-27 | 1996-01-24 | Vibratory welded window and door joints, method and apparatus for manufacturing the same |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US37905095A | 1995-01-27 | 1995-01-27 | |
US08/379,050 | 1995-01-27 | ||
US51822995A | 1995-08-23 | 1995-08-23 | |
US08/518,229 | 1995-08-23 |
Publications (1)
Publication Number | Publication Date |
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WO1996022875A1 true WO1996022875A1 (fr) | 1996-08-01 |
Family
ID=27008453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1996/001082 WO1996022875A1 (fr) | 1995-01-27 | 1996-01-24 | Joints de fenetres et de portes soudes par vibration, procede et appareil de fabrication de ceux-ci |
Country Status (3)
Country | Link |
---|---|
US (2) | US5902657A (fr) |
AU (1) | AU4904896A (fr) |
WO (1) | WO1996022875A1 (fr) |
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DE19938099A1 (de) * | 1999-08-12 | 2001-02-15 | Exama Maschinen Gmbh | Mehrkopf-Reibschweissverfahren und Vorrichtung zur Durchführung des Verfahrens |
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- 1996-01-24 WO PCT/US1996/001082 patent/WO1996022875A1/fr active Application Filing
- 1996-01-24 AU AU49048/96A patent/AU4904896A/en not_active Abandoned
- 1996-11-01 US US08/742,734 patent/US5902657A/en not_active Expired - Lifetime
-
1999
- 1999-02-08 US US09/246,593 patent/US6103035A/en not_active Expired - Lifetime
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19938100A1 (de) * | 1999-08-12 | 2001-02-15 | Exama Maschinen Gmbh | Mehrkopf-Reibschweißverfahren |
DE19938099A1 (de) * | 1999-08-12 | 2001-02-15 | Exama Maschinen Gmbh | Mehrkopf-Reibschweissverfahren und Vorrichtung zur Durchführung des Verfahrens |
Also Published As
Publication number | Publication date |
---|---|
US5902657A (en) | 1999-05-11 |
US6103035A (en) | 2000-08-15 |
AU4904896A (en) | 1996-08-14 |
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